Question

35+12y+y²=0 пооооомоооогиииитееее

Answer 1

35+12y+y²=0

y²+12y+35=0

y²+7y+5y+35=0

y·(y+7)+5(y+7)=0

(y+7)·(y+5)=0

y+7=0

y+5=0

y=-7

y=-5

y1=-7,y2=-5